David Works in a Small Manufacturing Firm That Makes Customized

David works in a small manufacturing firm that makes customized office furniture. He feels it is important to work directly with customers to design high-quality furniture that meets their needs. He believes that doing so would create more value for customers and provide a better relationship between the price of the product and its benefits. In the context of operations management, David most likely focuses on _____.

A) mass production
B) efficiency
C) effectiveness
D) undifferentiated marketing